34
AIRFLOW DATA
*TC / TL FURNACES WITH FIXED SPEED BLOWERS
Model Number
&
Heating Input
(Btuh)
Motor Switch Settings
(0 = OFF, 1 = ON)
External Static Pressure (in.W.C.)
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
1/5
2/6
3/7
4/8
CFM
Rise
CFM
Rise
CFM
Rise
CFM
Rise
CFM
Rise
CFM
Rise
CFM
Rise
CFM Rise
*TC / TL - 060D - 24B
(60,000)
0
0
0
0
1
0
0
0
0
1
0
0
1
1
0
0
725
73
0
0
1
0
810
65
1
0
1
0
940
56
890
59
845
62
795
66
750
70
700
75
0
1
1
0
990
53
945
56
905
58
860
61
820
64
775
68
735
72
690
76
1
1
1
0
1,055
50
1,015
52
970
54
930
57
890
59
845
62
805
66
760
69
0
0
0
1
1,135
47
1,095
48
1,055
50
1,010
52
960
55
930
57
890
59
850
62
1
0
0
1
1,185
45
1,145
46
1,105
48
1,065
50
1,030
51
990
53
950
56
910
58
0
1
0
1
1,250
42
1,210
44
1,170
45
1,135
47
1,095
48
1,055
50
1,020
52
980
54
1
1
0
1
1,290
41
1,255
42
1,220
43
1,180
45
1,145
46
1,110
48
1,075
49
1,040
51
0
0
1
1
1,315
40
1,275
41
1,240
43
1,200
44
1,160
45
1,120
47
1,085
49
1,045
51
1
0
1
1
1,350
39
1,315
40
1,280
41
1,245
42
1,205
44
1,170
45
1,135
47
1,100
48
0
1
1
1
1,390
38
1,350
39
1,315
40
1,275
41
1,240
43
1,200
44
1,160
45
1,125
47
1
1
1
1
1,420
37
1,380
38
1,345
39
1,310
40
1,270
42
1,235
43
1,200
44
1,160
45
*TC / TL - 80D - 35C
(80,000)
0
0
0
0
1,125
55
1,040
68
960
73
880
80
795
89
1
0
0
0
1,205
58
1,120
63
1,040
68
960
73
875
80
795
89
0
1
0
0
1,305
54
1,225
57
1,150
61
1,070
66
995
71
915
77
840
84
1
1
0
0
1,430
49
1,350
52
1,270
55
1,190
59
1,110
63
1,030
68
950
74
865
81
0
0
1
0
1,525
46
1,450
49
1,375
51
1,300
54
1,225
57
1,150
61
1,075
65
1,000
70
1
0
1
0
1,620
43
1,540
46
1,465
48
1,390
51
1,315
54
1,240
57
1,165
60
1,090
65
0
1
1
0
1,695
42
1,620
43
1,545
46
1,465
48
1,390
51
1,315
54
1,235
57
1,160
61
1
1
1
0
1,770
40
1,700
41
1,630
43
1,555
45
1,485
47
1,410
50
1,340
53
1,265
56
0
0
0
1
1,875
38
1,805
39
1,730
41
1,655
43
1,580
45
1,510
47
1,435
49
1,340
53
1
0
0
1
1,905
37
1,840
38
1,775
40
1,710
41
1,640
43
1,575
45
1,510
47
1,445
49
0
1
0
1
1,980
36
1,910
37
1,845
38
1,780
40
1,715
41
1,650
43
1,580
45
1,515
46
1
1
0
1
2,025
35
1,960
36
1,895
37
1,830
38
1,765
40
1,700
41
1,635
43
1,570
45
0
0
1
1
2,085
34
2,025
35
1,960
36
1,900
37
1,840
38
1,775
40
1,715
41
1,655
43
1
0
1
1
2,135
33
2,070
34
2,010
35
1,945
36
1,880
37
1,815
39
1,750
40
1,685
42
0
1
1
1
2,200
32
2,145
33
2,090
34
2,035
35
1,980
36
1,925
37
1,870
38
1,820
39
1
1
1
1
2,280
31
2,225
32
2,170
32
2,115
33
2,065
34
2,010
35
1,955
36
1,900
37
*TC / TL - 100D - 35C
(100,000)
0
0
0
0
1,125
78
1,040
85
1
0
0
0
1,205
73
1,120
79
1,040
85
0
1
0
0
1,305
67
1,225
72
1,150
76
1,070
82
995
88
1
1
0
0
1,430
62
1,350
65
1,270
69
1,190
74
1,110
79
1,030
85
0
0
1
0
1,525
58
1,450
61
1,375
64
1,300
68
1,225
72
1,150
76
1,075
82
1,000
88
1
0
1
0
1,620
54
1,540
57
1,465
60
1,390
63
1,315
67
1,240
71
1,165
76
1,090
81
0
1
1
0
1,695
52
1,620
54
1,545
57
1,465
60
1,390
63
1,315
67
1,235
71
1,160
76
1
1
1
0
1,770
50
1,700
52
1,630
54
1,555
57
1,485
59
1,410
62
1,340
66
1,265
70
0
0
0
1
1,875
47
1,805
49
1,730
51
1,655
53
1,580
56
1,510
58
1,435
61
1,340
66
1
0
0
1
1,905
46
1,840
48
1,775
50
1,710
51
1,640
54
1,575
56
1,510
58
1,445
61
0
1
0
1
1,980
44
1,910
46
1,845
48
1,780
49
1,715
51
1,650
53
1,580
56
1,515
58
1
1
0
1
2,025
43
1,960
45
1,895
46
1,830
48
1,765
50
1,700
52
1,635
54
1,570
56
0
0
1
1
2,085
42
2,025
43
1,960
45
1,900
46
1,840
48
1,775
50
1,715
51
1,655
53
1
0
1
1
2,135
41
2,070
42
2,010
44
1,945
45
1,880
47
1,815
48
1,750
50
1,685
52
0
1
1
1
2,200
40
2,145
41
2,090
42
2,035
43
1,980
44
1,925
46
1,870
47
1,820
48
1
1
1
1
2,280
39
2,225
40
2,170
41
2,115
42
2,065
43
2,010
44
1,955
45
1,900
46
*TC / TL - 120D - 45D
(120,000)
0
0
0
0
1,395
76
1,350
78
1,305
81
1,260
84
1,210
87
1,165
91
1,120
94
1
0
0
0
1,465
72
1,420
74
1,375
77
1,330
79
1,290
82
1,245
85
1,200
88
1,155
91
0
1
0
0
1,555
68
1,510
70
1,470
72
1,425
74
1,380
76
1,340
79
1,295
82
1,250
84
1
1
0
0
1,625
65
1,585
67
1,540
69
1,500
70
1,460
72
1,415
75
1,375
77
1,335
79
0
0
1
0
1,690
62
1,650
64
1,610
66
1,570
67
1,530
69
1,485
71
1,445
73
1,405
75
1
0
1
0
1,760
60
1,715
62
1,670
63
1,625
65
1,575
67
1,530
69
1,485
71
1,440
73
0
1
1
0
1,835
58
1,790
59
1,745
60
1,695
62
1,650
64
1,605
66
1,555
68
1,510
70
1
1
1
0
1,885
56
1,840
57
1,790
59
1,745
60
1,700
62
1,655
64
1,610
66
1,565
67
0
0
0
1
1,945
54
1,900
56
1,850
57
1,805
58
1,760
60
1,710
62
1,665
63
1,620
65
1
0
0
1
1,950
54
1,905
55
1,860
57
1,820
58
1,775
59
1,735
61
1,690
62
1,650
64
0
1
0
1
2,075
51
2,030
52
1,990
53
1,945
54
1,900
56
1,855
57
1,810
58
1,770
60
1
1
0
1
2,125
50
2,085
51
2,040
52
2,000
53
1,955
54
1,910
55
1,870
56
1,825
58
0
0
1
1
2,170
49
2,130
50
2,090
51
2,045
52
2,005
53
1,965
54
1,925
55
1,880
56
1
0
1
1
2,215
48
2,180
48
2,140
49
2,105
50
2,070
51
2,035
52
2,000
53
1,965
54
0
1
1
1
2,225
47
2,165
49
2,100
50
2,040
52
1
1
1
1
2,170
49
2,120
50
2,065
51
1. Motor Switch Settings are for heating speeds using HEAT switches 1, 2, 3, & 4 and cooling speeds using COOL switches 5, 6, 7, & 8.
2. Two openings are recommended for airfl ows above 1,600 CFM if the fi lter(s) is (are) adjacent to the furnace.
3. Data is shown without fi lter.
4. Temperature rises in the table are approximate. Actual temperature rises may vary
5. Temperature rises that are shaded in grey are for reference only. These conditions are not recommended.
6. When in low stage, the circulating airfl ow is 70% of the tables high value.
(2-stage furnaces only)
Table 8. Heating / Cooling Airfl ows (CFM) & Temperature Rises (°F)
Summary of Contents for *TC
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